20211783930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{185753}}^1$

素因数の和:185813

約数の個数: 128

約数和(自身を含む): 59916810240

約数和(自身を除く): 39705026310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 62, 65, 78, 90, 93, 117, 130, 135, 155, 186, 195, 234, 270, 279, 310, 351, 390, 403, 465, 558, 585, 702, 806, 837, 930, 1170, 1209, 1395, 1674, 1755, 2015, 2418, 2790, 3510, 3627, 4030, 4185, 6045, 7254, 8370, 10881, 12090, 18135, 21762, 36270, 54405, 108810, 185753, 371506, 557259, 928765, 1114518, 1671777, 1857530, 2414789, 2786295, 3343554, 4829578, 5015331, 5572590, 5758343, 7244367, 8358885, 10030662, 11516686, 12073945, 14488734, 16717770, 17275029, 21733101, 24147890, 25076655, 28791715, 34550058, 36221835, 43466202, 50153310, 51825087, 57583430, 65199303, 72443670, 74858459, 86375145, 103650174, 108665505, 130398606, 149716918, 155475261, 172750290, 217331010, 224575377, 259125435, 310950522, 325996515, 374292295, 449150754, 518250870, 651993030, 673726131, 748584590, 777376305, 1122876885, 1347452262, 1554752610, 2021178393, 2245753770, 3368630655, 4042356786, 6737261310, 10105891965, 20211783930]

約数ペア:

[(1, 20211783930), (2, 10105891965), (3, 6737261310), (5, 4042356786), (6, 3368630655), (9, 2245753770), (10, 2021178393), (13, 1554752610), (15, 1347452262), (18, 1122876885), (26, 777376305), (27, 748584590), (30, 673726131), (31, 651993030), (39, 518250870), (45, 449150754), (54, 374292295), (62, 325996515), (65, 310950522), (78, 259125435), (90, 224575377), (93, 217331010), (117, 172750290), (130, 155475261), (135, 149716918), (155, 130398606), (186, 108665505), (195, 103650174), (234, 86375145), (270, 74858459), (279, 72443670), (310, 65199303), (351, 57583430), (390, 51825087), (403, 50153310), (465, 43466202), (558, 36221835), (585, 34550058), (702, 28791715), (806, 25076655), (837, 24147890), (930, 21733101), (1170, 17275029), (1209, 16717770), (1395, 14488734), (1674, 12073945), (1755, 11516686), (2015, 10030662), (2418, 8358885), (2790, 7244367), (3510, 5758343), (3627, 5572590), (4030, 5015331), (4185, 4829578), (6045, 3343554), (7254, 2786295), (8370, 2414789), (10881, 1857530), (12090, 1671777), (18135, 1114518), (21762, 928765), (36270, 557259), (54405, 371506), (108810, 185753)]